/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2017 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
* @brief A wx widget to view `thumbnails' of a Film.
*/
-#include <wx/wx.h>
#include "lib/film.h"
+#include "lib/config.h"
+#include <RtAudio.h>
+#include <wx/wx.h>
class wxToggleButton;
class FFmpegPlayer;
class Image;
class RGBPlusAlphaImage;
-class Subtitle;
+class PlayerVideo;
+class Player;
+class Butler;
/** @class FilmViewer
* @brief A wx widget to view a preview of a Film.
- *
- * The film takes the following path through the viewer:
- *
- * 1. get_frame() asks our _player to decode some data. If it does, process_video()
- * will be called.
- *
- * 2. process_video() takes the image and subtitle from the decoder (_raw_frame and _raw_sub)
- * and calls raw_to_display().
- *
- * 3. raw_to_display() copies _raw_frame to _display_frame, processing it and scaling it.
- *
- * 4. calling _panel->Refresh() and _panel->Update() results in paint_panel() being called;
- * this creates frame_bitmap from _display_frame and blits it to the display. It also
- * blits the subtitle, if required.
- *
- * update_from_decoder() asks the player to re-emit its current frame on the next pass(), and then
- * starts from step #1.
- *
- * update_from_raw() starts at step #3, then calls _panel->Refresh and _panel->Update.
*/
class FilmViewer : public wxPanel
{
public:
- FilmViewer (boost::shared_ptr<Film>, wxWindow *);
+ FilmViewer (wxWindow *);
+ ~FilmViewer ();
void set_film (boost::shared_ptr<Film>);
+ /** @return our `playhead' position; this may not lie exactly on a frame boundary */
+ DCPTime position () const {
+ return _video_position;
+ }
+
+ void set_position (DCPTime p);
+ void set_coalesce_player_changes (bool c);
+
+ void refresh ();
+
+ int audio_callback (void* out, unsigned int frames);
+
+ boost::signals2::signal<void (boost::weak_ptr<PlayerVideo>)> ImageChanged;
+
private:
- void film_changed (Film::Property);
- void paint_panel (wxPaintEvent &);
+ void paint_panel ();
void panel_sized (wxSizeEvent &);
- void slider_moved (wxScrollEvent &);
- void play_clicked (wxCommandEvent &);
- void timer (wxTimerEvent &);
- void process_video (boost::shared_ptr<Image>, bool, boost::shared_ptr<Subtitle>);
+ void slider_moved (bool update_slider);
+ void play_clicked ();
+ void timer ();
void calculate_sizes ();
void check_play_state ();
- void update_from_raw ();
- void update_from_decoder ();
- void raw_to_display ();
- void get_frame ();
- void active_jobs_changed (bool);
+ void active_jobs_changed (boost::optional<std::string>);
+ void back_clicked (wxMouseEvent &);
+ void forward_clicked (wxMouseEvent &);
+ void player_changed (bool);
+ void update_position_label ();
+ void update_position_slider ();
+ void get ();
+ void seek (DCPTime t, bool accurate);
+ void refresh_panel ();
+ void setup_sensitivity ();
+ void film_changed (Film::Property);
+ DCPTime nudge_amount (wxMouseEvent &);
+ void timecode_clicked ();
+ void frame_number_clicked ();
+ void go_to (DCPTime t);
+ void jump_to_selected_clicked ();
+ void recreate_butler ();
+ void config_changed (Config::Property);
+ DCPTime time () const;
+ void start ();
+ bool stop ();
+ Frame average_latency () const;
boost::shared_ptr<Film> _film;
boost::shared_ptr<Player> _player;
wxSizer* _v_sizer;
wxPanel* _panel;
+ wxCheckBox* _outline_content;
+ wxRadioButton* _left_eye;
+ wxRadioButton* _right_eye;
+ wxCheckBox* _jump_to_selected;
wxSlider* _slider;
+ wxButton* _back_button;
+ wxButton* _forward_button;
+ wxStaticText* _frame_number;
+ wxStaticText* _timecode;
wxToggleButton* _play_button;
wxTimer _timer;
+ bool _coalesce_player_changes;
+ bool _pending_player_change;
- boost::shared_ptr<Image> _raw_frame;
- boost::shared_ptr<Subtitle> _raw_sub;
- boost::shared_ptr<Image> _display_frame;
- int _display_frame_x;
- boost::shared_ptr<RGBPlusAlphaImage> _display_sub;
- Position _display_sub_position;
- bool _got_frame;
+ boost::shared_ptr<const Image> _frame;
+ DCPTime _video_position;
+ Position<int> _inter_position;
+ dcp::Size _inter_size;
/** Size of our output (including padding if we have any) */
- libdcp::Size _out_size;
- /** Size that we will make our film (equal to _out_size unless we have padding) */
- libdcp::Size _film_size;
+ dcp::Size _out_size;
/** Size of the panel that we have available */
- libdcp::Size _panel_size;
+ dcp::Size _panel_size;
+ /** true if the last call to Player::seek() was specified to be accurate;
+ * this is used so that when re-fetching the current frame we
+ * can get the same one that we got last time.
+ */
+ bool _last_seek_accurate;
+
+ RtAudio _audio;
+ int _audio_channels;
+ unsigned int _audio_block_size;
+ bool _playing;
+ boost::shared_ptr<Butler> _butler;
+
+ std::list<Frame> _latency_history;
+ /** Mutex to protect _latency_history */
+ mutable boost::mutex _latency_history_mutex;
+ int _latency_history_count;
- bool _clear_required;
+ boost::signals2::scoped_connection _config_changed_connection;
};